// asmcheck // Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package codegen var x [2]bool var x8 [2]uint8 var x16 [2]uint16 var x32 [2]uint32 var x64 [2]uint64 func compMem1() int { // amd64:`CMPB\t"".x\+1\(SB\), [$]0` if x[1] { return 1 } // amd64:`CMPB\t"".x8\+1\(SB\), [$]7` if x8[1] == 7 { return 1 } // amd64:`CMPW\t"".x16\+2\(SB\), [$]7` if x16[1] == 7 { return 1 } // amd64:`CMPL\t"".x32\+4\(SB\), [$]7` if x32[1] == 7 { return 1 } // amd64:`CMPQ\t"".x64\+8\(SB\), [$]7` if x64[1] == 7 { return 1 } return 0 } //go:noinline func f(x int) bool { return false } //go:noinline func f8(x int) int8 { return 0 } //go:noinline func f16(x int) int16 { return 0 } //go:noinline func f32(x int) int32 { return 0 } //go:noinline func f64(x int) int64 { return 0 } func compMem2() int { // amd64:`CMPB\t8\(SP\), [$]0` if f(3) { return 1 } // amd64:`CMPB\t8\(SP\), [$]7` if f8(3) == 7 { return 1 } // amd64:`CMPW\t8\(SP\), [$]7` if f16(3) == 7 { return 1 } // amd64:`CMPL\t8\(SP\), [$]7` if f32(3) == 7 { return 1 } // amd64:`CMPQ\t8\(SP\), [$]7` if f64(3) == 7 { return 1 } return 0 } func compMem3(x, y *int) (int, bool) { // We can do comparisons of a register with memory even if // the register is used subsequently. r := *x // amd64:`CMPQ\t\(` // 386:`CMPL\t\(` return r, r < *y } // The following functions test that indexed load/store operations get generated. func idxInt8(x, y []int8, i int) { var t int8 // amd64: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` // 386: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // 386: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` y[i+1] = t // amd64: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // 386: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` x[i+1] = 77 } func idxInt16(x, y []int16, i int) { var t int16 // amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*` // 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` // 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` y[i+1] = t // amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*` // 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` // 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` y[16*i+1] = t // amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` // 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` x[i+1] = 77 // amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` // 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` x[16*i+1] = 77 } func idxInt32(x, y []int32, i int) { var t int32 // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` // 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` y[i+1] = t // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` t = x[2*i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` y[2*i+1] = t // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*` // 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` y[16*i+1] = t // amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+1] = 77 // amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` x[16*i+1] = 77 } func idxInt64(x, y []int64, i int) { var t int64 // amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` y[i+1] = t // amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` y[16*i+1] = t // amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+1] = 77 // amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` x[16*i+1] = 77 } func idxFloat32(x, y []float32, i int) { var t float32 // amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+` // 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+` t = x[i+1] // amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` y[i+1] = t // amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+` // 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+` t = x[16*i+1] // amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` y[16*i+1] = t } func idxFloat64(x, y []float64, i int) { var t float64 // amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+` // 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+` t = x[i+1] // amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` // 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` y[i+1] = t // amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+` // 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+` t = x[16*i+1] // amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` // 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` y[16*i+1] = t } func idxLoadPlusOp(x []int32, i int) int32 { s := x[0] // 386: `ADDL\t4\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s += x[i+1] // 386: `SUBL\t8\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s -= x[i+2] // 386: `IMULL\t12\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s *= x[i+3] // 386: `ANDL\t16\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s &= x[i+4] // 386: `ORL\t20\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s |= x[i+5] // 386: `XORL\t24\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s ^= x[i+6] return s } func idxStorePlusOp(x []int32, i int, v int32) { // 386: `ADDL\t[A-Z]+, 4\([A-Z]+\)\([A-Z]+\*4\)` x[i+1] += v // 386: `SUBL\t[A-Z]+, 8\([A-Z]+\)\([A-Z]+\*4\)` x[i+2] -= v // 386: `ANDL\t[A-Z]+, 12\([A-Z]+\)\([A-Z]+\*4\)` x[i+3] &= v // 386: `ORL\t[A-Z]+, 16\([A-Z]+\)\([A-Z]+\*4\)` x[i+4] |= v // 386: `XORL\t[A-Z]+, 20\([A-Z]+\)\([A-Z]+\*4\)` x[i+5] ^= v // 386: `ADDL\t[$]77, 24\([A-Z]+\)\([A-Z]+\*4\)` x[i+6] += 77 // 386: `ANDL\t[$]77, 28\([A-Z]+\)\([A-Z]+\*4\)` x[i+7] &= 77 // 386: `ORL\t[$]77, 32\([A-Z]+\)\([A-Z]+\*4\)` x[i+8] |= 77 // 386: `XORL\t[$]77, 36\([A-Z]+\)\([A-Z]+\*4\)` x[i+9] ^= 77 }